Patent US3830539A successfully refreshed from Google Patents.
US3830539A
Expired / Lapsed
US
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Impact energy absorbing bumper for vehicle
Assignee: Toyota Motor Corp
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Filing: 1973-02-20
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Granted: 1974-08-20
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Expires: 1993-02-20
Abstract
Abstract An absorbing damper constructed of a plurality of absorbing members, a movable bumper and fixed bumpers, wherein the movable bumper retreats and absorbs collision energy of a vehicle. The movable bumper is so arranged that it can advance and retreat within a space defined by the floor plate of the body of the car.
Inventors
- 👤 K Yoshie
- 👤 K Masaki
- 👤 M Sakamoto
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 17:28
CPC Classifications
B; B60; B60R; B60R19/00; B60R19/02; B60R19/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
181 words
An impact energy absorbing bumper for the body of a vehicle comprising: a plurality of absorbing members including a cylinder and a piston for absorbing impact energy during collision of the vehicle; a movable bumper which is movable in the forward and backward directions of the vehicle and attached to a portion of said pistons which projects outside at least one end of the body of the vehicle, said movable bumper and the vehicle body defining between them a space in which said movable bumper can move; a pair oF fixed bumpers which extend from positions adjacent to both ends of said movable bumper toward the respective sides of the body and which are secured to strengthening members of the body; and bumper guards secured to the outside surface of said movable bumper and extending a predetermined distance therefrom, said absorbing members being housed in the framework of a floor member of the body, and the space in which said movable member moves being formed by bending an outside plate of the body into a step form above the floor member.
Claim 2
Dependent Claim
181 words
An impact energy absorbing bumper for the body of a vehicle comprising: a plurality of absorbing members including a cylinder and a piston for absorbing impact energy during collision of the vehicle; a movable bumper which is movable in the forward and backward directions of the vehicle and attached to a portion of said pistons which projects outside at least one end of the body of the vehicle, said movable bumper and the vehicle body defining between them a space in which said movable bumper can move; a pair oF fixed bumpers which extend from positions adjacent to both ends of said movable bumper toward the respective sides of the body and which are secured to strengthening members of the body; and bumper guards secured to the outside surface of said movable bumper and extending a predetermined distance therefrom, said absorbing members being housed in the framework of a floor member of the body, and the space in which said movable member moves being formed by bending an outside plate of the body into a step form above the floor member.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-08-19 | 1978-02-18 | 1978-08-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-08-19 | 1982-02-18 | 1982-08-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-08-19 | 1986-02-18 | 1986-08-20 | $7700.00 | Window Closed / Lapsed |